CN102083559A - Method and device for lubricating rollers and a rolled strip of a rolling stand - Google Patents

Method and device for lubricating rollers and a rolled strip of a rolling stand Download PDF

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Publication number
CN102083559A
CN102083559A CN2009801231161A CN200980123116A CN102083559A CN 102083559 A CN102083559 A CN 102083559A CN 2009801231161 A CN2009801231161 A CN 2009801231161A CN 200980123116 A CN200980123116 A CN 200980123116A CN 102083559 A CN102083559 A CN 102083559A
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CN
China
Prior art keywords
lubricant
water
mixture
gas
rolling
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Pending
Application number
CN2009801231161A
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Chinese (zh)
Inventor
H·帕维尔斯基
H-P·里希特
J·泽德尔
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SMS Siemag AG
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SMS Demag AG
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Publication of CN102083559A publication Critical patent/CN102083559A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B21B45/0251—Lubricating devices using liquid lubricants, e.g. for sections, for tubes for strips, sheets, or plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B27/00—Rolls, roll alloys or roll fabrication; Lubricating, cooling or heating rolls while in use
    • B21B27/06—Lubricating, cooling or heating rolls
    • B21B27/10—Lubricating, cooling or heating rolls externally
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B37/00—Control devices or methods specially adapted for metal-rolling mills or the work produced thereby
    • B21B37/28—Control of flatness or profile during rolling of strip, sheets or plates
    • B21B37/30—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control
    • B21B37/32—Control of flatness or profile during rolling of strip, sheets or plates using roll camber control by cooling, heating or lubricating the rolls
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B38/00—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product
    • B21B38/02—Methods or devices for measuring, detecting or monitoring specially adapted for metal-rolling mills, e.g. position detection, inspection of the product for measuring flatness or profile of strips
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0248—Lubricating devices using liquid lubricants, e.g. for sections, for tubes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B45/00—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B45/02—Devices for surface or other treatment of work, specially combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills for lubricating, cooling, or cleaning
    • B21B45/0239—Lubricating
    • B21B45/0245—Lubricating devices
    • B21B45/0263—Lubricating devices using solid lubricants

Abstract

The invention relates to a method for lubricating rollers, in particular the working rollers (2, 3) on a rolling stand and a rolled strip (6) which has been rolled between the above working rollers and transported onwards, in which a lubricant/gas mix, a lubricant/water/gas mix, a lubricant/water mix and/or a grease/media mix is applied onto the rollers (2, 3) or the rolled strip (6) on the input side of the stand, characterized in that the mixture is prepared by means of at least one mixing device (14, 17, 27, 29, 31, 35) in the region upstream of the rolling stand.

Description

The roll and the lubricated method and apparatus of rolling band that are used for mill stand
The present invention relates to a kind of lubricated roll of being used for, especially relate to mill stand and rolling and transmit the method for the working roll of the rolling band that passes through between these rolls, in the method lubricant-gas-mixture, lubricant-water-gas-mixture, lubricant-water-mixture and/or grease-medium-mixture are sprayed on roll or rolling being with at the support inlet side.
Milling train includes the roll of a plurality of mutual supports, and working roll for example, this working roll directly contact with rolling stock and in being on the bigger backing roll mostly or rolling on the intermediate calender rolls.The roll seam lubricating system combines on many hot rolling lines that are used for metal band rolling.These lubricating systems use and belong to during this period the common equipment of rolling line for the surface quality of improving working roll and rolling band, rolling band that will the production high-quality on this production line.With water as mounting medium common and oily mix and when spraying to system on rolling band or work or the backing roll, system has widened in the use.
In cold rolling process, lubricated is to be accustomed to.At this moment, lubricant is sprayed on rolling band and/or the working roll and/or be injected in the roll seam.Oil and being blended in away from the place of mill stand of water are carried out.Use emulsion mostly, this emulsion prepares, purifies and input to lubricating system with bothersome method in a circulatory system.
A kind ofly be used to cool off and/or method and a kind of device of the roll of lubricated mill stand from WO 03 002277 A1 are known, method and apparatus in particular for cooling and/or lubricated working roll uses water as cooling agent with oil, oil-air mixture, profit-mixture, oil-water-air mixture or rich mixture with injection water bundle form at this moment as lubricant.In order to improve lubricated and cooling effect, proposed combination use rolling band-and roller surface cross lubricating rollers cold and on the mill stand inlet side, this moment is with two media-water and lubricant-separately import and the coating position that sprays to different roller surfaces.Concerning water and lubricant, the input that respectively separates towards the spray crossbeam is set.
Task of the present invention provides a kind of straightforward procedure that is used to lubricate when metal band rolling, this method both can also can be used when hot rolling when cold rolling.
According to the present invention, go like this to solve aspect the method that this task is mentioned in beginning, promptly mixture prepares with at least one mixing arrangement in the scope of mill stand front.When cold rolling, new lubricating method is intended to be similar to when hot rolling such, produces lubricant and thereby avoid closing preparation bothersome in the circulation when be about to using or use.For this method is moved economically, the purpose that will reach is that employed amounts of lubrication is minimized in addition.Same purpose also exists when using lubricating method of the present invention when hot rolling.When reducing amounts of lubrication, to and can regulate lubricating effect with the lubricant effect optimization simultaneously.
But for example use greasing substance, oil-air mixture or the oil-water-air mixture of oil-water-dispersoid, oil-water-emulsion, no oil mixing water as lubricant.Can be with medium injection at 2-, in 3-or the 4-material-nozzle.
In order to reduce amounts of lubrication, as particularly advantageous proposition is that lubricant is sprayed with air.In a preferred form of implementation, oil and water are just mixed with air before ejection.Like this even can spray to very little oil mass on roller surface or rolling being with.Follow with the oil and the mixture of water when hot rolling that the application of pure oil phase is counter an advantage, promptly do not have danger of combustion.
New lubricating method has advantage when cold-rolling process, promptly the oil concentration in the lubricant can be changed fast and neatly.Like this, lubricant can be suitable for best the different rolling materials of wanting, different tape speeds, the drafts that is changing and corresponding mill stand.In addition, also can provide different oil and lubricant mediums for different application purposes.
Because amounts of lubrication is so little, thereby make just that roll and/or belt surface is moisteningly, the preparation of taking a lot of trouble can be abandoned.In this case, every meter spray crossbeam length is employed moves in the millimeter scope with the oil mass per minute.To together and perhaps be incorporated into the water treatment facilities neutralization with other leakage of oil with the water of lubriation material of crossing and cooling device isolates oil there.
The favourable expansion scheme of the present invention draws from dependent claims.
According to what the present invention had the advantage setting be, with water and at least a lubricant through independent input channel to blender transmit and in this blender, be mixed into water-lubricant-dispersoid or-emulsion.What can stipulate this moment is, with water-lubricant-dispersoid or-a kind of gas of emulsion, especially in atomizer aperture, atomize and spray on described at least one working roll and/or rolling being with air.
Preferably use 3-material-or 4-material-mixing-or atomizer aperture, wherein water, described at least a lubricant and air are mixed.Self-evident, in meaning of the present invention, also can use another kind of gas or admixture of gas to replace air.
Preferably, earlier will described at least a lubricant and water in flow ipe, be mixed into mixture also subsequently with mixture the 3-material-or the inner chamber of 4-material-mixed jet in mix with gas.Alternatively, with water, described at least a lubricant and gas the 3-material-or the inner chamber of 4-material-mixed jet in mix.
Preferably, lubricant-gas-mixture, lubricant-water-gas-mixture, lubricant-water-mixture and/or grease-medium-mixture are distributed to above the whole width wherein at least one working roll and/or rolling band.
If the amount of water, described at least a lubricant, gas, lubricant-admixture of gas, lubricant-water-gas-mixture, lubricant-water-mixture and/or grease-medium-mixture is distributed in above the width wherein at least one working roll and/or rolling band by means of control valve, same proof is good.
In another form of implementation of method, with the width of at least one working roll and/or the rolling band adjusting of getting on therein by means of control valve and/or in flowmeter, in the pressure regulator and/or in hydrid component of the amount of described at least a lubricant, water, lubricant-water-mixture, lubricant-gas-mixture and/or grease-medium-mixture and/or pressure.
Can go equally to be provided with, described at least a lubricant, water and gas are mixed in a 3-material-nozzle, wherein on the width of at least one working roll and/or rolling band, be conditioned to the amount portion section of lubricant pressure and/or volume with adjustments of gas and water.
Alternatively go to realize mixed process like this, be about to described at least a lubricant and gas and in a hydrid component, mix and subsequently water is added in 2-material-mixed jet.In this situation, water can the outside of nozzle pipe mixing in 2-material-mixed jet respectively.
In another favourable form of implementation of method, described at least a lubricant and gas especially mix in hydrid component, and are sprayed onto wherein at least one roll and/or rolling being with nozzle, and at the side of nozzle shower water.
Preferably by means of of the input of flatness adjusting device subregion ground at the described at least a lubricant of width adjusted.
The invention still further relates to a kind of be used for lubricated at least one roll and/or mill stand between roll the device of rolling rolling band.
According to the present invention, device is characterised in that, device has at least one hydrid component and/or many mixing of materials device, especially atomizer aperture, be used for water, gas, at least a lubricant, especially oil is mixed into a kind of lubricant-gas-mixture, lubricant-water-gas-mixture, lubricant-water-mixture.
For determine with spray equipment to be sprayed onto described at least one roll and/or rolling with on the amount of mixture, advantageously device includes adjusting device, especially includes control valve.
Favourable mode is to be arranged on the width of described at least one roll or rolling band the adjusting device subregion.Also flowmeter and pressure regulator can be set here.
Many mixing of materials device is an internal mixer or as external mixer.Preferably they comprise nozzle in vortex board or the venturi.
Advantageously can stipulate, with water spray crossbeam be arranged on be used for to described at least one roll or rolling with the spray equipment of going up a kind of mixture that contains lubricant of spray on and/or under.Its situation in hot rolling has anti-fire action.Therefore flammable oil or lubricant are by the water conductively-closed and can not be heated and do not cause flame.
In addition, for analyzing the flatness that planeness measuring apparatus is particularly regulated rolling band under the situation of the curtain signal of roughness measurement roller, can be equipped with an adjusting device to device in an advantageous manner.
Preferably, planeness measuring apparatus comprises a measuring roller, and this measuring roller sends corresponding to the signal of rolling band flatness and is transferred to amount or the concentration that spray equipment is used to regulate described at least a lubricant.By using planeness measuring apparatus, also can consider the flatness of rolling band by the signal of analyzing the roughness measurement roller and can take the measure that is used to revise with higher grade, for example the amount by changing lubricant or-concentration.
Preferably, spray equipment is arranged with the axle that two rows' forms are arranged essentially parallel to roll, is staggeredly arranged especially each other, so as when single nozzle is malfunctioning, still also to guarantee roller surface or rolling have enough lubricated.
The invention still further relates to a kind of mill stand, use a device that is used for lubricated roll and/or rolling band described above at this mill stand place.
Describe the present invention below in an embodiment in detail.That shows has:
Fig. 1 has the rolling device that has the oil-water-air-lubricating system that can change the lubricant supply on width, wherein lubricant is sprayed onto top working roll,
Fig. 2 has the rolling device of oil-water-air-lubricating system, wherein lubricant is sprayed onto on the width on the top working roll with identical amount,
Fig. 3 has the rolling device that has the oil-water-air-lubricating system that can change the lubricant supply on width, wherein lubricant is sprayed onto the downside of rolling band,
Fig. 4 has the rolling device of oil-water-air-lubricating system, is equipped with a plurality of 3-material-mixed jets that have gas-liquid-sprayer, wherein lubricant is sprayed onto top working roll,
Fig. 5 for example using in the rolling device according to Fig. 3, is used for the form of implementation of the 3-or the 4-material-mixed jet of mixing water, lubricant and gas as it,
Fig. 6 be used for lubricant spray to roll or rolling with on mixed jet two row structures,
Fig. 7 has the rolling device of oil-water-air-lubricating system, be equipped with a plurality of 3-material-mixed jets that have gas-liquid-sprayer and have the control valve that belongs to 3-material-mixed jet respectively that is used to regulate amounts of lubrication, wherein lubricant is sprayed onto on the top working roll
Fig. 8 has the rolling device of oil-water-air-lubricating system, wherein with lubricant and gas mixes in hydrid component and water added in several 2-material-mixed jets and lubricant sprayed above working roll on,
Fig. 9 and vertical section during 2-material-mixed jet is connected according to Fig. 8 hydrid component, its medium is mixed in the outside of mixed jet,
The vertical section of Figure 10 3-material-mixed jet that is used for mixing water, lubricant and gas of mixed liquid medium before entering into dielectric space,
Figure 11 is used for the vertical section of another 3-material-mixed jet of mixing water, lubricant and gas, mixed liquid medium before entering into dielectric space, and wherein All Media mixes in dielectric space,
Figure 12 has the rolling device of oil-gas-lubricating system, wherein lubricant and gas is mixed in hydrid component, be sprayed onto lubricant on two working rolls and be provided with simultaneously water spray crossbeam as anti-burning device and
Figure 13 wherein also has a roughness measurement roller and a flatness adjusting device according to the rolling device of Fig. 7.
Rolling device 1 (Fig. 1) includes two and is supported between two backing rolls 4,5 and rolling working roll 2,3 with 6 (Fig. 3).At this moment, with lubricant, especially first and second oil, or other oil and water are at first through input channel 7,8 separately and 9 inputs.Earlier two kinds of oil are mixed.Alternatively, also only use described a kind of or other oil.The amount of needed water and two kinds of oil is regulated and pumps in the blender 12 by means of dosing pump 10,11.Therefore back at blender 12 produces dispersoid or emulsion by the liquid of carrying together.Blender 12 and in flow direction the distance between the rearmounted control valve 13 preferably very little, or make a unit for fear of separation.Control valve 13 distributes on the whole width of top working roll 2.If the longer pipe road cannot be avoided, vortex board (blender) is set at a certain distance in pipeline then.It is as far as possible little that cross-section of pipeline is preferably selected, so that reach high as far as possible flowing velocity and thereby the short shipping time of realization.For the lubricant above the width that can be adjusted in working roll 2 load and also can depend on processed rolling with 6 width adjusting, control valve 13 according to rolling with 6 width to the flow direction postposition and as the atomizer aperture 14 output lubricants of 2-material-mixed jet design.Add air in atomizer aperture 14 lubricant-water-mixture, air is through having pipeline 15 inputs of the pressure regulator 16 that is used to regulate air pressure.The adjusting of lubricant or oil mass and the water yield is carried out through computation model and/or through adjusting device, and this adjusting device is considered different lubrication properties with band, speed, drafts, temperature and other relating to parameters ground that will be rolling.The triggering of control valve 13 and adjust each other by the amount that dosing pump 10,11 pumps are taken out.Adjusting device is determined the kind of lubricant concentration or lubricant and is rolled in addition with 6 external form and flatness to regulate.Rolling out-of-flatness with 6 just compensates by coupling ground input amounts of lubrication or by changing other parameter.When needed, can be by the oil concentration in change oil mass, oily kind, the water or/and oily mixed proportion influence of rolled force level.
In the form of implementation of a simplification of rolling device 1 (Fig. 2), there is not control valve 13.In this situation, the flow of atomizer aperture 14 is manual adjustments or produces owing to regulating the dosing pump.In another form of implementation (Fig. 3), lubricant-water-air mixture is sprayed directly into rolling with 6 bottom surface.There is not control valve 13 in this situation yet.
In another form of implementation (Fig. 4), water, lubricant, for example oil and air are at first through pipeline 7 separately, 9,15 import and spray on the top working roll 2 through the atomizer aperture of implementing as 3-material- nozzle 14 or 17 then, and wherein the mixing portion of fluid and ejection portion form a unit in atomizer aperture 17.Yet, in this situation adjusting device can be set, this adjusting device is regulated each fluid separately towards single atomizer aperture 17 or towards the input of one group of atomizer aperture.Preferably, all single adjusting devices are incorporated in the regulating system, and this regulating system is determined the volume and the mixed proportion of fluid, and this fluid is sprayed in working roll 2 or the milled sheet 6 by atomizer aperture 17.Self-evident, in all forms of implementation (Fig. 1 to 4), the similar embodiment that is used to import lubricant-water-air mixture is arranged on maybe can not put following working roll 3 places or rolling with 6 top place.
Atomizer aperture 17 (Fig. 5) is to implement as the interior blender that has inner chamber 18-pressure mixed jet, and one side process input channel 19 Jiang Shui and two kinds of lubricants are input to this inner chamber neutralization to be mixed by means of for example vortex board 36 or pipe contraction flow region 37 when needed.The mixed process of fluid is just carried out just before spraying the time.Blender and nozzle here are unit.At first will directly before its outlet, install in the inner chamber 18 through two pipelines 20,21 to the lubricant in the input channel 19.A kind of gas, especially air enter into inner chamber 18 neutralization through another conveyance conduit 22 and constitute vortex with the mixture that is formed by water and two kinds of lubricants there.Then, leave to the mixture taper nozzle mouth 23 and arrive roll or rolling with 6 surface.Because described lubricant (for example oil) or multiple lubricant are most important component, in meaning of the present invention, also may only regulate oil mass separately in each atomizer aperture 17 ground, other composition burst mode goes to regulate, just for example at bigger one section roll and/or rolling with 6 width adjusted.The spraying of lubricant or several lubricants also can not make water, only carries out under the situation of application of compressed air.In this situation, use 2-material-nozzle.
Especially when cold rolling importantly, lubricating film is worked above with 6 whole bandwidth rolling fully.If unwelcome cut then appears in oil film breaking from the teeth outwards.In order to ensure the redundancy of lubricating effect, preferably at roll, opposite, for example opposite of working roll 2, or rolling band is provided with two row or a few row 24,25 (Fig. 6) atomizer apertures 17, in these rows atomizer aperture 17 preferably each other dislocation arrange.Alternatively, also can use 1 row's nozzle crossbeam, their nozzle has big jet angle, causes to produce double covering.In other words, if a nozzle is malfunctioning, contiguous nozzle covers this scope.
Be similar in the form of implementation shown in Fig. 1 and 3, adjusting device 26 (Fig. 7) arranged in other form of implementation of the present invention, with each atomizer aperture 14 ground of these adjusting devices separately in the inflow of whole bandwidth adjusted lubricant.By changing the water and air amount, can also influence lubricated whole effect.When hot rolling, wherein at least one working roll 2,3 is added lubricant; When cold rolling, preferably be with 6 lubricant is provided to rolling.
According to another scheme (Fig. 8), lubricant and air are joined in the hydrid component 27 jointly.Air is transported to atomizer aperture 14 to lubricant.Each atomizer aperture 14 is by single supply.Water separately enters into nozzle 14.
In hydrid component 27 (Fig. 9), at first lubricant and air are imported together from pipeline 7 and 15.Then, with mixture through the pipeline 28 of 2-material-nozzle 29 with from the hydration of pipeline 8 inputs also.2-material-nozzle 29 designs as external mixer.This means that lubricant-air mixture and water just run into together in nozzle outlet 30.Injection each other by two hollow cones that formed by fluid makes and is mixed into possibility.The advantage of this 2-material-nozzle 29 is saponification is got rid of, because lubricant just contacts in nozzle outlet 30 each other with water.In order to realize pure lubricant-air-lubricated, the input that can turn off water.
In a 2-material-nozzle 31 (Figure 10), this nozzle is as the interior mixer design that has inner chamber 32, and at first Jiang Shui and oil are input in the inner chamber 32 through input channel 33 and input air in addition jointly.In oil-water-input channel 33, load onto nozzle in vortex board 34 or the venturi, so that guarantee the medium mixing.
3-material-nozzle 35 (Figure 11) has inner chamber 32 equally, through piping 7,8 with opened in 15 minutes medium oil, water and air are input in this inner chamber.Therefore just in inner chamber 32, the fluidised form medium is mixed, by air atomizing and injection.
If use oil-air mixture; add extra water needn't for this mixture; thereby arrange anti-burning protection when hot rolling, mode is to produce the water curtain to external shield oil-air mixture by means of water spray crossbeam 38,39 (Figure 12) when needed.In addition, around the oil-air-mist that produces by atomizer aperture 14 barrier shield 40,41 is set.Oil-air-mist outwards can be aspirated out.Also have atomizer aperture 14 design pivotally barrier shield 40,41, so that improve shielding and can be positioned at before the roll nozzle is close.Even when lubricant sprays rolling with on (when cold rolling) be provided with is a similar aspirator.
Surface texture (flatness for influence of rolled band 6, uniform stress state), roughness measurement roller 42 (Figure 13) or another kind are set in another form of implementation of the present invention are used for determining rolling contactless (optics) planeness measuring apparatus with 6 irregularity degreees, signal is transferred on (unshowned at this) analytical equipment through signal conductor 43.In this device,, produce the signal that is used on bandwidth, exporting on the working roll 2 proper lubrication dosage for regulating and control atomizer aperture 14 or control valve 13.By each district the amount of the lubricant of exporting or lubricant concentration, can influence the band flatness of parabola type or higher grade.Self-evident, also can load onto corresponding adjusting about following working roll 3.Equally, atomizer aperture 14 also can directly be sprayed onto rolling being with on 6 with lubricant, so that band flatness and the band stress distribution of influence on bandwidth.
Reference numerals list
1 rolling device
2 working rolls
3 working rolls
4 backing rolls
5 backing rolls
6 rolling bands
7 input channels
8 input channels
9 input channels
10 dosing pumps
11 dosing pumps
12 blenders
13 control valves
14 atomizer apertures (many-material-nozzle)
15 pipelines
16 pressure regulators
17 atomizer apertures (many-material-nozzle)
18 inner chambers
19 input channels
20 pipelines
21 pipelines
22 input channels
23 nozzle mouths
24 rows
25 rows
26 adjusting devices
27 hydrid components
28 pipelines
More than 29-material-nozzle
The outlet of 30 nozzles
More than 31-material-nozzle
32 inner chambers
33 input channels
34 vortex boards
More than 35-material-nozzle
36 vortex boards
37 pipe contraction flow regions
38 spray crossbeams
39 spray crossbeams
40 walls
41 walls
42 roughness measurement rollers
43 signal conductors

Claims (32)

1. be used for lubricated roll, especially the working roll of mill stand and rolling betwixt and transmit the method for the rolling band (6) pass through, in the method lubricant-gas-mixture, lubricant-water-gas-mixture, lubricant-water-mixture and/or grease-medium-mixture are sprayed on roll (2 at the support inlet side, 3) or on the rolling band (6)
It is characterized in that,
Mixture prepares with at least one mixing arrangement (14,17,27,29,31,35) in the scope of mill stand front.
2. method as claimed in claim 1,
It is characterized in that,
With water and at least a lubricant through conveyance conduit (7,8,9) separately to blender (12) carry and in this blender, be mixed into water-lubricant-dispersoid or-emulsion.
3. method as claimed in claim 2,
It is characterized in that,
With water-lubricant-dispersoid or-emulsion gas, especially use air, atomizing and spraying on described at least one working roll (2,3) and/or the rolling band (6) in the atomizer aperture (14,17).
4. as each method in the claim 1 to 3,
It is characterized in that,
With water, described at least a lubricant and gas, especially air, many materials-mixing-or spraying nozzle (14,17,27,31) in mix.
5. method as claimed in claim 4,
It is characterized in that,
The blender of different liquids and nozzle (17,31) in fact form a unit.
6. method as claimed in claim 4,
It is characterized in that,
Earlier described at least a lubricant and water being mixed into mixture in flow ipe also mixes mixture in the inner chamber of polyhybird nozzle (35) subsequently with gas.
7. method as claimed in claim 4,
It is characterized in that,
With water, described at least a lubricant and air the 3-material-or the inner chamber (32) of 4-material-mixed jet in mix.
8. as each method in the claim 1 to 7,
It is characterized in that,
To distribute at least one working roll (2,3) and/or rolling band (6) the therein whole width of lubricant-gas-mixture, lubricant-water-gas-mixture, lubricant-water-mixture and/or grease-medium-mixture.
9. as each method in the claim 1 to 8,
It is characterized in that,
With the amount of water, described at least a lubricant, gas, lubricant-admixture of gas, lubricant-water-gas-mixture, lubricant-water-mixture and/or grease-medium-mixture by means of distributing at least one working roll (2,3) and/or rolling band (6) the therein width of control valve (13).
10. method as claimed in claim 9,
It is characterized in that,
With the amount of described at least a lubricant, water, lubricant-water-mixture, lubricant-gas-mixture and/or grease-medium-mixture and/or pressure by means of control valve (13) and/or in flowmeter, pressure regulator (16) and/or in hydrid component (27) at least one working roll (2,3) and/or rolling band (6) therein width adjusted.
11. as each method in the claim 1 to 10,
It is characterized in that,
Described at least a lubricant, water and gas are mixed in 3-material-nozzle (35), wherein the amount portion section of lubricant at least one working roll (2,3) and/or rolling band (6) the therein width adjusted in ground and the pressure and/or the volume of adjustments of gas and water.
12. as each method in the claim 1 to 11,
It is characterized in that,
Described at least a lubricant and gas are mixed in hydrid component (27) and water is added in the 2-mixing of materials nozzle (29) subsequently.
13. as the method for claim 12,
It is characterized in that,
Water is always mixed outside the interior nozzle pipe of 2-material-mixed jet (29).
14. as each method in the claim 1 to 13,
It is characterized in that,
With described at least a lubricant and gas, especially in hydrid component (27), to mix, and spray to wherein at least one roll (2,3) and/or the rolling band (6) with nozzle (14,17), the while is at the side of nozzle shower water.
15. as each method in the above-mentioned claim,
It is characterized in that,
Gas is used for lubricant is transported to nozzle (29) by pipeline (28) from hydrid component (27) as the transportation agent, and there just within the nozzle (29,14) or outside mix and atomizing and with nozzle 14,17,29 spray to wherein at least one roll (2,3) and/or the rolling band (6).
16. as each method in the claim 1 to 15,
It is characterized in that,
By means of of the input of flatness adjusting device (42,43) subregion ground at the described at least a lubricant of width adjusted.
17. as the method for claim 16,
It is characterized in that,
By change in amounts of lubrication, lubricant kind, the water lubricant concentration or/and lubricant kind-mixed proportion change the roll-force level at short notice or can adapt to altered rolling condition (speed, drafts etc.) neatly.
18. in rolling support, be used for lubricated at least one roll (2,3) and/or between described roll (2,3) device of rolling rolling band (6),
It is characterized in that,
Device has at least one hydrid component (27) and/or many mixing of materials device, especially atomizer aperture (14,17,29,31,35), be used for water, gas, at least a lubricant, especially oil is mixed into lubricant-gas-mixture, lubricant-water-gas-mixture, lubricant-water-mixture.
19. as the device of claim 18,
It is characterized in that,
In order to determine will be sprayed onto with spray equipment (14,17) amount of the mixture on described at least one roll (2,3) and/or the rolling band (6), device includes governor motion, especially includes control valve.
20. as the device of claim 19,
It is characterized in that,
Governor motion subregion ground is arranged on width described at least one roll (2,3) or rolling band (6).
21. as each device in the claim 18 to 20,
It is characterized in that,
It includes flowmeter and pressure regulator (16).
22. as each device in the claim 18 to 21,
It is characterized in that,
Blender or outer blender in many mixing of materials device (29,31,35) is designed to.
23. as the device of claim 22,
It is characterized in that,
Many mixing of materials device includes nozzle or pipe contraction flow region (37) in vortex board (34,36) or the venturi.
24. as each device in the claim 18 to 23,
It is characterized in that,
Water spray crossbeam (38,39) be arranged on be used for to described at least one roll or rolling band spray contain on the spray equipment of mixture of lubricant and/or under.
25. as each device in the claim 18 to 24,
It is characterized in that,
Be useful at the wall of side shielding by spray equipment (14) lubricant-air that produces-mist.
26. as the device of claim 25,
It is characterized in that,
Be useful on the aspirator of medium-mist.
27. as the device of claim 26,
It is characterized in that,
The shielding of breaker roll (2,3) or band (6) is can be rotating.
28. as each device in the claim 18 to 27,
It is characterized in that,
It includes the adjusting device that is used for regulating rolling band (6) flatness under the situation of analyzing the planeness measuring apparatus signal.
29. as the device of claim 28,
It is characterized in that,
Planeness measuring apparatus comprises measuring roller (42) or noncontacting measurement device, and it produces corresponding to the signal of rolling band flatness and is transferred to amount or the concentration that spray equipment (14) is used to regulate described at least a lubricant.
30. as each device in the claim 18 to 28,
It is characterized in that,
Spray equipment (14,17) is arranged the axis arranged that (24,25) forms are arranged essentially parallel to working roll (2,3) with two, and dislocation is arranged especially each other
31. as each device in the claim 18 to 29,
It is characterized in that,
Spray equipment (14,17) is that the nozzle that reaches them of row's design has big jet angle, causes to provide and faces the dual covering of beam mutually.
32. be equipped with rolling support as the device of one of claim 18 to 30
It is characterized in that,
The nozzle crossbeam can turn round design, thereby can be with the distance adjustment between jet expansion and roll or the band to minimum or best.
CN2009801231161A 2008-06-18 2009-06-09 Method and device for lubricating rollers and a rolled strip of a rolling stand Pending CN102083559A (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
DE102008028620.6 2008-06-18
DE102008028620 2008-06-18
DE102008034099.5 2008-07-21
DE102008034099 2008-07-21
DE102008050392A DE102008050392A1 (en) 2008-06-18 2008-10-02 Method and device for lubricating rolls and a rolled strip of a roll stand
DE102008050392.4 2008-10-02
PCT/EP2009/004138 WO2009156057A2 (en) 2008-06-18 2009-06-09 Method and device for lubricating rollers and a rolled strip of a rolling stand

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CA2728197A1 (en) 2009-12-30
EP2303480B1 (en) 2013-06-05

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